CVE-2026-115906

CVE-2026-115906 · zip: AES Entry HMAC Authentication Bypass on Premature EOF

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zip is a zip library for Rust that supports reading and writing simple ZIP files. From 0.6.0 until 9.0.0, the AES entry reader in src/aes.rs verifies its HMAC only when the attacker-controlled data counter reaches zero. If the underlying bounded reader reaches the real end of the archive while data_remaining is still positive, or if an encrypted entry has no payload, the reader can return a clean end of stream without reading and comparing the authentication tag. Applications using by_index_decrypt, by_name_decrypt, by_path_decrypt, or password-enabled by_index_with_options can therefore accept modified plaintext without an authentication error. This issue is fixed in version 9.0.0.

CVSS 6.5 · Mittel · EPSS 0,2% · Öffentlicher Exploit

Veröffentlicht

2026-10-26T16:30:30.954Z

Aktualisiert

2026-10-31T01:32:55.292Z

Technologie-Stack: system

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